frmmain.pas

使用报表打印数据的基本操作方法

unit FrmMain;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, ExtCtrls, printers, qrextra, QRExport, qrprntr, quickrpt, QRCtrls,
  TypInfo;

type
  TForm1 = class(TForm)
    btn1: TBitBtn;
    BitBtn1: TBitBtn;
    Memo1: TMemo;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    procedure btn1Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;


implementation

{$R *.dfm}
uses
    FrmQRpt, Unit2;


procedure TForm1.btn1Click(Sender: TObject);
begin
    //QRptFrm.QuickRep1.Page.PaperSize := PageSetupDialog1.PageSetupDlgRec.hDevMode.dmPaperSize;

    QRptFrm.QuickRep1.Preview;
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
    Form2.QuickRep1.DataSet    := QRptFrm.Table1;
    Form2.QRDBText1.DataSet    := QRptFrm.Table1;
    Form2.QRDBText2.DataSet    := QRptFrm.Table1;
    Form2.QRDBText3.DataSet    := QRptFrm.Table1;
    Form2.QRDBText4.DataSet    := QRptFrm.Table1;

    Form2.QuickRep1.Preview;

end;

procedure TForm1.BitBtn2Click(Sender: TObject);
begin
    memo1.Lines.Clear;
    memo1.Lines.AddStrings(printer.Printers);
end;


procedure TForm1.BitBtn3Click(Sender: TObject);
begin

end;
//由于使用了PageSetupDialog1後，启动特别慢，所以拿掉了
{type
    pDEVMODE  = ^DEVMODE;
var
    pdm  : pDEVMODE;
    po   : TPrinterOrientation;
begin
    if PageSetupDialog1.Execute then begin
      pdm   := pDEVMODE(GlobalLock(PageSetupDialog1.PageSetupDlgRec.hDevMode));

      //根据用户的选择设置纸张和从、横向
      QRptFrm.QuickRep1.Page.PaperSize   := TQRPaperSize((pdm^).dmPaperSize);

      if (pdm^).dmOrientation = DMORIENT_PORTRAIT then
        po  := poPortrait
      else
        po  := poLandscape;

      //由于delphi定义的横、纵枚举值和windows不同，因此不能直接强制转换
      //po := TPrinterOrientation((pdm^).dmOrientation);

      //if po = poPortrait then showmessage('纵的')
      //else showmessage('横的');

      QRptFrm.QuickRep1.Page.Orientation := po;
    end;
end;
}

end.